said by Cloneman:for your information, the newer 2wire modems from Bell are configured with WPA or WPA2 for some time now.
Does videotron provide any modem/routers with WEP enabled by default? Like Bell 2wire?
If so, that could weigh in in your favor, such that it could have happens to any of their customers because of their poor equipment...
In any case I would fight it by whatever means to get the bill down to something reasonable. Its become ridiculous how easily (especially wireless carriers) can bring up a huge bill for something that costs pennies to provide